40430401121 has 32 divisors (see below), whose sum is σ = 47661592320. Its totient is φ = 33927379200.

The previous prime is 40430401117. The next prime is 40430401139. The reversal of 40430401121 is 12110403404.

It is not a de Polignac number, because 40430401121 - 2² = 40430401117 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40430401093 and 40430401102.

It is not an unprimeable number, because it can be changed into a prime (40430401021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 793235 + ... + 842663.

It is an arithmetic number, because the mean of its divisors is an integer number (1489424760).

Almost surely, 2^40430401121 is an apocalyptic number.

It is an amenable number.

40430401121 is a deficient number, since it is larger than the sum of its proper divisors (7231191199).

40430401121 is a wasteful number, since it uses less digits than its factorization.

40430401121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49577.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 40430401121 its reverse (12110403404), we get a palindrome (52540804525).

The spelling of 40430401121 in words is "forty billion, four hundred thirty million, four hundred one thousand, one hundred twenty-one".